Everyone gets it in the back of their mouth after they smoke. Its what cops use sometimes to check to see if someone has been smoking, looks like little burns. Its just a small irritation, drink some liquid and it will sooth it.
same thing happened to me but i had like 8 brandy. threw up 14 times in 12 hrs. parnets caught me and made me do intense yard work in100 degree weather. and they didnt let go to the hospital to get ma stumach pumped.